From: Daniel_Steyn@Dell.com
Date: Sat Jun 30 2007 - 17:26:01 ART
I agree with Mike here - you'll want to say with Rapid-PVST+ if you are
an all-Cisco shop. And even if you aren't - as long as you are majority
Cisco - you'll want to say with it - you can always play with
compatibility and run both where you need it - but try to stay with pvst
at the core.
The advantage to MST is also its downside. It's a great thing to run
only 2 instances if you have only 2 different topological paths.
However, a topology change notification will affect all vlans associated
with that instance. Also, MST uses only 1 VLAN for updates for a
specific instance, so if you lose the "major" VLAN - all associated
VLANs will be impacted. MST's goal is to specifically put all of the
eggs into one basket so that they are easier to carry - but you're risk
increased at the same time.
Just a thought.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Mike Kraus (mikraus)
Sent: Friday, June 29, 2007 9:01 AM
To: ali hassan; ccielab@groupstudy.com
Subject: RE: pvst vs mst
MST - 802.1w support for faster convergence & Industry standard.
Wouldn't even compare it against PVST anymore... However, I would
compare it against Rapid-PVST.
Rapid-PVST - Perceived as easier to configure than MST, allows for more
spanning-tree instances (64 is normally enough unless all of your VLANs
have a different topology).
Bottom-line, I would say most people in an all Cisco environment go
Rapid-PVST (or PVST). In mixed-vendor, I would do MST.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ali hassan
Sent: Friday, June 29, 2007 5:06 AM
To: ccielab@groupstudy.com
Subject: pvst vs mst
Hi folks,
i m in the middle of choosing mst over pvst in my data center with over
100 vlan.
if anyone can suggest me with the benefits of it over pvst it will be of
great help.
ragards ali
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